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https://bugs.launchpad.net/bugs/1708372
Title:
The Precision Touchpad(PTP) button sends incorrect event code
Status in HWE Next:
New
Status in linux package in Ubuntu:
In Progress
Status in linux source package in Xenial:
Fix Committed
Bug description:
[Impact]
The touchpad right button should send 273(BTN_RIGHT),
and the left button should send 272(BTN_LEFT)
But the touchpad right button sends 274(BTN_MIDDLE),
and the left button sends 273 (BTN_RIGHT)
[Fix]
The fix is pretty simple to just decrease the event code by 1.
[Test Case]
Verified on the machine has this issue, and confirm this patch works.
[Regression Potential]
The patch has strict if statement, so it won't affect other touchpad devices.
And no more rework on this code snip after this commit.
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